#3767BF#3767BF

#3767BF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.7% C 0.148 H 261.3°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3767BF
RGB	rgb(55, 103, 191)
HSL	hsl(219, 55%, 48%)
HSV	hsv(219, 71%, 75%)
CMYK	cmyk(71.2%, 46.1%, 0%, 25.1%)
CIE-LAB	lab(44.62, 13.78, -51.01)
CIE-LCH	lch(44.62, 52.83, 285.11°)
OKLab	oklab(52.71% -0.0223 -0.1461)
OKLCH	oklch(52.71% 0.148 261.3)
XYZ	xyz(15.8264, 14.2726, 51.2009)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3767BF #BF8F37

analogous

#37ABBF #3767BF #4B37BF

triadic

#3767BF #BF3767 #67BF37

tetradic

#3767BF #BF37AB #BF8F37 #37BF4B

square

#3767BF #BF37AB #BF8F37 #37BF4B

split-complementary

#3767BF #BF4B37 #ABBF37

monochromatic

#1C3460 #294D8F #3767BF #6289D2 #91ADDF

Accessibility & contrast

On white

5.45

#3767BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3767BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767BF

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3767BF	#FFFFFF	#000000	##FFFFFF
##3767BF	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A70C2

Deuteranopia (green-blind)

#1D64BD

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3767bf;
/* rgb */ color: rgb(55, 103, 191);
/* oklch */ color: oklch(52.7% 0.148 261.3);

Tailwind

colors: {
  custom: {
    50: '#7e91d3',
    500: '#3767bf',
    950: '#000000',
  },
}

SCSS

$custom: #3767bf;
$custom-light: #7e91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3767bf",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 191
  },
  "hsl": {
    "h": 218.824,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52707,
    "c": 0.14781,
    "h": 261.3
  },
  "luminance": 0.14274
}

Semantic roles & 50–950 ramp

primary

#3767BF

secondary

#CAB388

accent

#AA49DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3767BF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →